Finding the Fourth Proportional to 11,921,548.50, 17,884,988.19 and 4,348,513.98
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Solution
The fourth proportional to 11,921,548.50, 17,884,988.19 and 4,348,513.98 is: 6,523,743.22
Step by Step Solution
- Step 1: Write the proportion equation
11,921,548.50 : 17,884,988.19 = 4,348,513.98 : x - Step 2: Convert to fraction form
11,921,548.50/17,884,988.19 = 4,348,513.98/x - Step 3: Cross multiply
11,921,548.50x = 17,884,988.19 × 4,348,513.98 - Step 4: Simplify right side
11,921,548.50x = 77,773,121,176,349.91 - Step 5: Solve for x
x = 77,773,121,176,349.91/11,921,548.50 - Step 6: Final answer
x = 6,523,743.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.